S-92620A695 7/16"-20 x 3/4" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional load-bearing capacity with 150,000 psi tensile strength for critical structural applications
- Superior corrosion resistance through zinc yellow-chromate plating that withstands harsh industrial environments
- Precise thread engagement with Class 2A UNF fine threads ensuring reliable, vibration-resistant connections
- Maximum material durability from Rockwell C33 hardness that maintains integrity under extreme stress
- Optimized torque transmission via external hex drive design for efficient installation and removal
- Full-thread coverage providing consistent clamping force along the entire 3/4" length
- Regulatory compliance assurance meeting ASME, SAE, RoHS 3, and REACH standards for global applications
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Grade 8 hex head screws deliver critical performance where failure is not an option. The steel construction with zinc yellow-chromate plating provides exceptional corrosion protection in demanding environments including manufacturing equipment, structural frameworks, and machinery assembly. The UNF fine thread configuration offers superior resistance to vibrational loosening compared to coarse threads, while the Class 2A thread fit ensures precise engagement without binding. The external hex drive design allows for high-torque installation, making these fully threaded fasteners ideal for applications requiring maximum clamping force and reliability across automotive, construction, and industrial machinery sectors.
Specification Summary & Compliance
This 7/16"-20 hex head screw features Class 2A thread tolerance per UNF standards with precise fine thread spacing for optimal performance. Manufacturing complies with ASME B18.2.1 and SAE J429 Grade 8 specifications, ensuring dimensional accuracy and mechanical properties. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety standards for industrial use.
